Overview

Model specifications

Context: 262,144 tokens
Maximum output: 235,929 tokens
Architecture: text->text
Tokenizer: Other
Knowledge cutoff: Not provided
Moderated: No

OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input: Free
Output: Free

API

Model configuration

Default parameters

temperature: 1
top_p: 0.95
repetition_penalty: 1.05

Reasoning

Reasoning required: No
Default parameters: Yes

API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"xingchen-agi/xing4.0-29b-a4b:free","messages":[{"role":"user","content":"Hello!"}]}'

Capabilities

Input → Output

Input

text

Output

text

Reasoning

Yes

API

Supported API parameters

frequency_penaltyinclude_reasoningmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

Available providers

1 Provider

Checked: October 19, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Phala

Not provided

Context: 262K
Maximum output: 236K
Input: Free
Output: Free
Cache read: Not provided
Cache write: Not provided

XingChen: Xing4.0 29B A4B (free)